package cn.mxlshy.springcloud.service.impl;

import cn.mxlshy.springcloud.service.IMessageProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.support.MessageBuilder;

import javax.annotation.Resource;
import java.util.UUID;

/**
 * @author: 马晓亮
 * @date: 2020/8/13 10:31
 * @description:
 */
@EnableBinding(Source.class) // 定义消息的推送管道
@Slf4j
public class MessageProviderImpl implements IMessageProvider {
    @Resource
    private MessageChannel output;  // 消息发送管道

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        log.info("===========serial:{}",serial);
        return null;
    }
}
